. >> reporter: senator graham says age adjustment and means testing for medicare and social security is a reasonable thing. but illinois democratic senator dick durbin doesn't want to touch social security. he thinks the new revenue should come from an increase on the tax rates of top earners, which is currently 35%. >> let the rates go up to 39. let us also take a look at the deductions. let's make sure that revenue is an integral part of deficit reduction. from my side of the table, bring entitlement reform into the conversation. social security, set aside, doesn't add to the deficit. when it comes to medicare and medicaid, protect the integrity of the program, but give it solvency for more and more years. >> reporter: a source with engine of knowledge -- with knowledge of the negotiation says there is no date set in stone for the next meeting among the principle negotiate othe timing will depend on the progress of staff member, in the next few days. but we should not be surprised if they get together, sthiem week. shannon. >> shannon: we wish them much luck. thank you. our worst-c